Inventor
OKUBO YASUSHI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
19 patentsUS7314690B2Jan 1, 2008
Photomask producing method and photomask blank
HOYA CORP9 citations80
US10101650B2Oct 16, 2018
Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device
HOYA CORP2 citations73
US8043771B2Oct 25, 2011
Phase shift mask blank and method of manufacturing phase shift mask
HOYA CORP6 citations63
US7794900B2Sep 14, 2010
Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrate
HOYA CORP2 citations63
US7655364B2Feb 2, 2010
Methods of manufacturing mask blank and transfer mask
HOYA CORP3 citations63
US9494852B2Nov 15, 2016
Mask blank and method of manufacturing phase shift mask
HOYA CORP2 citations62
US8048591B2Nov 1, 2011
Mask blank glass substrate, mask blank glass substrate manufacturing method, mask blank manufacturing method, and mask manufacturing method
HOYA CORP4 citations60
US8021804B2Sep 20, 2011
Photomask manufacturing method
HOYA CORP4 citations60
US7713663B2May 11, 2010
Mask blank, manufacturing method of mask blank, manufacturing method of transfer mask and manufacturing method of semiconductor device
HOYA CORP2 citations60
US7709161B2May 4, 2010
Photomask producing method and photomask blank
HOYA CORP4 citations59
US10527931B2Jan 7, 2020
Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device
HOYA CORP0 citations52
US9952497B2Apr 24, 2018
Mask blank and method of manufacturing phase shift mask
HOYA CORP0 citations52
US7794901B2Sep 14, 2010
Method of manufacturing mask blank and transfer mask
HOYA CORP0 citations52
US7648807B2Jan 19, 2010
Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrate
HOYA CORP0 citations52
US7901842B2Mar 8, 2011
Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor device
HOYA CORP1 citations51
US7955763B2Jun 7, 2011
Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and mask
HOYA CORP0 citations50
US7851108B2Dec 14, 2010
Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and mask
HOYA CORP0 citations50
US8048596B2Nov 1, 2011
Photomask producing method and photomask blank
HOYA CORP0 citations48
US8367276B2Feb 5, 2013
Mask blank and method of manufacturing mask
HOYA CORP0 citations41
OKUBO YASUSHI
6 patentsUS8663875B2Mar 4, 2014
Method of manufacturing a photomask
OKUBO YASUSHI3 citations61
US9634261B2Apr 25, 2017
Organic photoelectric conversion element and solar cell using same
OKUBO YASUSHI0 citations50
US8268513B2Sep 18, 2012
Mask blank manufacturing method
OKUBO YASUSHI0 citations40
US9666818B2May 30, 2017
Tandem-type organic photoelectric conversion element and solar battery
OKUBO YASUSHI0 citations39
US8967848B2Mar 3, 2015
Lighting device
OKUBO YASUSHI0 citations39
US8729387B2May 20, 2014
Organic photoelectric conversion element, solar cell and optical sensor array
OKUBO YASUSHI0 citations39
KONICA MINOLTA INC
5 patentsUS9972802B2May 15, 2018
Organic electroluminescent element
KONICA MINOLTA INC7 citations83
US9935269B2Apr 3, 2018
Electroluminescence element
KONICA MINOLTA INC1 citations52
US9941422B2Apr 10, 2018
Organic photoelectric conversion element and solar cell using the same
KONICA MINOLTA INC1 citations51
US9882072B2Jan 30, 2018
Solar cell and transparent electrode
KONICA MINOLTA INC0 citations51
US9318707B2Apr 19, 2016
Organic photoelectric conversion element, and solar cell and optical sensor array each using same
KONICA MINOLTA INC1 citations51
KONICA CORP
5 patentsUS7316851B2Jan 8, 2008
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP8 citations74
US7264890B2Sep 4, 2007
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP8 citations74
US7141304B2Nov 28, 2006
Film substrate and its manufacturing method
KONICA CORP7 citations74
US7871713B2Jan 18, 2011
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP6 citations63
US7348063B2Mar 25, 2008
Film substrate and its manufacturing method
KONICA CORP2 citations63
KONISHIROKU PHOTO IND
2 patentsKONICA MINOLTA HOLDINGS INC
2 patentsUS7323530B2Jan 29, 2008
Transparent resin film, its manufacturing method, electronic display, liquid crystal display, organic EL display, and touch panel
KONICA MINOLTA HOLDINGS INC15 citations83
US7820255B2Oct 26, 2010
Transparent film for display substrate, display substrate using the film and method of manufacturing the same, liquid crystal display, organic electroluminescence display, and touch panel
KONICA MINOLTA HOLDINGS INC3 citations61
WACHI AYAKO
2 patentsYAMADA TAKEYUKI
2 patentsUS8697315B2Apr 15, 2014
Photomask blank and production method thereof, and photomask production method, and semiconductor device production method
YAMADA TAKEYUKI0 citations50
US8114556B2Feb 14, 2012
Photomask blank and production method thereof, and photomask production method, and semiconductor device production method
YAMADA TAKEYUKI1 citations50